Thin elemental coatings of yttrium, cobalt, and yttrium/cobalt on ferritic stainless steel for SOFC interconnect applications
- Authors
- Kim, Seong-Hwan; Huh, Joo-Youl; Jun, Jae-Ho; Jun, Joong-Hwan; Favergeon, Jerome
- Issue Date
- 3월-2010
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- SOFC interconnect; Ferritic stainless steel; Thin-film coating; Oxidation; Area specific resistance
- Citation
- CURRENT APPLIED PHYSICS, v.10, pp.S86 - S90
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 10
- Start Page
- S86
- End Page
- S90
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/116904
- DOI
- 10.1016/j.cap.2009.11.049
- ISSN
- 1567-1739
- Abstract
- Thin elemental coatings of Y, Co, and Y/Co on a commercial ferritic stainless steel (AISI444) were investigated for their effects on the growth kinetics and;nee specific resistance (ASR) of the scale formed at 800 degrees C After oxidation for 1000 h, the ASR value of the Y-coated AISI444 was less than that of the corresponding uncoated sample by the factor of two, because of a significant retardation of scale growth The Co coating also resulted in a decrease of the ASR value even though it significantly accelerated the scale growth The effects of the Y and Co coatings on scale growth were associated with the growth kinetics of the chromia sublayer in the scale The Y coating was most effective for solid oxide fuel cell (SOFC) interconnect applications because of the relatively low and stable ASR value with the lapse of oxidation time (C) 2009 Elsevier B V All rights reserved
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